# LS300 Modem

**URL:** <https://forum.sierrawireless.com/t/ls300-modem/24289>\
**Category:** AirLink routers\
**Created:** [July 19, 2021, 1:10pm UTC](https://forum.sierrawireless.com/t/ls300-modem/24289 "2021-07-19T13:10:52Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![bochorishvili](https://avatars.discourse-cdn.com/v4/letter/b/ecae2f/32.png) [@bochorishvili](https://forum.sierrawireless.com/u/bochorishvili)\
**Post date:** [July 19, 2021, 1:10pm UTC](https://forum.sierrawireless.com/t/ls300-modem/24289/1 "2021-07-19T13:10:53Z")

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I don’t connect LS300 Modem ACEmanager. can you help me?  
King regards

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**Author:** ![Vianney](https://avatars.discourse-cdn.com/v4/letter/v/71e660/32.png) [@Vianney](https://forum.sierrawireless.com/u/Vianney)\
**Post date:** [July 19, 2021, 10:23pm UTC](https://forum.sierrawireless.com/t/ls300-modem/24289/2 "2021-07-19T22:23:05Z")

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Hi @bochorishvili ,

- Which FW are you using? Please upgrade the device to latest if it is not. The FW is published in Sierra source:  
[https://source.sierrawireless.com/resources/airlink/software\_downloads/ls300-firmware/ls300-firmware-list/#sthash.qWailzAt.reohdjNV.dpbs](https://source.sierrawireless.com/resources/airlink/software_downloads/ls300-firmware/ls300-firmware-list/#sthash.qWailzAt.reohdjNV.dpbs)
- Please try the procedure to access ACE Manager following the below topic and share your result.  
[GX-450 acemanager problems - #2 by Vianney](https://forum.sierrawireless.com/t/gx-450-acemanager-problems/19872/2)  
Thanks